13
ENGLISH
4. Troubleshooting
Type of
fault
Likely cause
Action
No sound can
be heard, when
you speak into
the teacher
or student
microphone.
1. The microphone is not
switched on.
2. The microphone is not set
to the same channel as the
receiver.
3. The receiver is not switched
on.
4. The squelch on the receiver
is set too high (so it does
not allow the signal in).
1. Switch on the microphone
(refer to 3.2).
2. Change the channel setting
(refer to 2.4).
3. Switch on the receiver.
4. Adjust the squelch (refer to
receiver user manual).
The sound is
weak when you
speak into the
microphone.
1. The microphone sensitivity
(Mic sensitivity) is set too
low.
2. The receiver’s AF output
level is set too low.
1. Adjust the microphone
sensitivity (refer to 2.4).
2. Refer to the receiver user
manual.
3.3 Listening
Via inductive loop:
Set the hearing instrument to the T or MT position.
Via hearing instrument with FM receiver:
Set the hearing instrument
to the FM position.
3.4 Connecting external sound sources to the
teacher’s microphone
The teacher’s microphone can be used as a transmitter for external sound
sources such as a DVD/MP3 player, radio/TV etc. The sound source is
then connected to the microphone input on the teacher’s microphone.
